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Fencer Intel
low 2.6

CVE-2012-4929 json

The TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, Qt, and other products, can encrypt compressed data without pr…

published 2012-09-15 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4854

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, Qt, and other products, can encrypt compressed data without properly obfuscating the length of the unencrypted data, which allows man-in-the-middle attackers to obtain plaintext HTTP headers by observing length differences during a series of guesses in which a string in an HTTP request potentially matches an unknown string in an HTTP header, aka a "CRIME" attack.

Patch / fix

  • google chrome 33
  • mozilla firefox 40
  • nginx Debian 14, Debian 13, Debian 12 1.2.1-2.2
  • pound Debian 14, Debian 13 2.6-3
  • apache2 Debian 14, Debian 13, Debian 12 2.2.22-12
  • openssl Debian 14, Debian 13, Debian 12 1.0.1e-5
  • lighttpd Debian 14, Debian 13, Debian 12 1.4.30-1

debian advisories DEBIAN-CVE-2012-4929

  • rhevm-spice-client rhev manager 3 3.3-12.el6_5
  • rhevm-spice-client-x64-cab rhev manager 3 3.3-12.el6_5
  • rhevm-spice-client-x64-msi rhev manager 3 3.3-12.el6_5
  • rhevm-spice-client-x86-cab rhev manager 3 3.3-12.el6_5
  • rhevm-spice-client-x86-msi rhev manager 3 3.3-12.el6_5
  • rhev-hypervisor6 RHEL 6 6.4-20130306.2.el6_4
  • openssl RHEL 5 0.9.8e-26.el5_9.1
  • openssl RHEL 6 1.0.0-27.el6_4.2

red hat advisories RHSA-2014:0416RHSA-2013:0636RHSA-2013:0587

  • w3m openSUSE Tumbleweed 0.5.3.git20161120-1.1
  • wget openSUSE Tumbleweed 1.18-2.3
  • lynx openSUSE Tumbleweed 2.8.8rel.2-4.13
  • links openSUSE Tumbleweed 2.13-1.3
  • openssl-1_1 openSUSE Tumbleweed 1.1.1l-1.2

opensuse advisories openSUSE-SU-2024:10235-1openSUSE-SU-2024:10263-1openSUSE-SU-2024:10329-1openSUSE-SU-2024:10531-1openSUSE-SU-2024:11127-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-4929 updated cvss 4.3

SSL/TLS CRIME attack against HTTPS

  • Red Hat Enterprise Linux 4 gnutls Red Hat Enterprise Linux 5 gnutls Red Hat Enterprise Linux 6 gnutls, openssl098e, gnutls-guile, gnutls-utils
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux (v. 5 server) openssl 0.9.8e-26.el5_9.1, openssl-perl 0.9.8e-26.el5_9.1 Red Hat Enterprise Linux Desktop (v. 6) openssl 1.0.0-27.el6_4.2 Red Hat Enterprise Linux Desktop Optional (v. 6) openssl 1.0.0-27.el6_4.2, openssl-perl 1.0.0-27.el6_4.2 Red Hat Enterprise Linux HPC Node (v. 6) openssl 1.0.0-27.el6_4.2 Red Hat Enterprise Linux HPC Node Optional (v. 6) openssl 1.0.0-27.el6_4.2, openssl-perl 1.0.0-27.el6_4.2 Red Hat Enterprise Linux Server (v. 6) openssl 1.0.0-27.el6_4.2
    +3 more products
    Red Hat Enterprise Linux Server Optional (v. 6) openssl 1.0.0-27.el6_4.2, openssl-perl 1.0.0-27.el6_4.2 Red Hat Enterprise Linux Workstation (v. 6) openssl 1.0.0-27.el6_4.2 Red Hat Enterprise Linux Workstation Optional (v. 6) openssl 1.0.0-27.el6_4.2, openssl-perl 1.0.0-27.el6_4.2
    fixed: vendor fix RHSA-2013:0587
  • Red Hat RHEV Hypervisor for RHEL-6 rhev-hypervisor6 6.4-20130306.2.el6_4
    fixed: vendor fix RHSA-2013:0636
  • Red Hat RHEV-M 3.3 rhevm-spice-client 3.3-12.el6_5, rhevm-spice-client-x64-cab 3.3-12.el6_5, rhevm-spice-client-x64-msi 3.3-12.el6_5, rhevm-spice-client-x86-cab 3.3-12.el6_5, rhevm-spice-client-x86-msi 3.3-12.el6_5
    fixed: vendor fix RHSA-2014:0416
  • Red Hat Enterprise Linux 4 nss, openssl Red Hat Enterprise Linux 5 nss, openssl097a Red Hat Enterprise Linux 6 nss, nss-tools, nss-sysinit Red Hat JBoss Enterprise Application Platform 6 openssl Red Hat JBoss Enterprise Web Server 1 openssl Red Hat JBoss Enterprise Web Server 2 openssl
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-25-105-08 updated cvss 3.7

ABB M2M Gateway

  • ABB M2M Gateway >=4.1.2, <=5.0.3, >=5.0.1, <=5.0.3
    affected: mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

4.35% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 2.6 AV:N/AC:H/Au:N/C:P/I:N/A:N

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Should not be reported for modern Chrome or Firefox versions, picking sufficiently old fix versions for now.