An invalid free vulnerability exists in gpac 1.1.0 via the gf_svg_delete_attribute_value function, which causes a segmentation fault and ap…

published 2021-12-22 4y ago modified 2026-06-17 4mo ago also EUVD-2021-32043

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

An invalid free vulnerability exists in gpac 1.1.0 via the gf_svg_delete_attribute_value function, which causes a segmentation fault and application crash.

Patch / fix

distros 1

gpac Debian 11 1.0.1+dfsg1-4+deb11u2

debian advisories DEBIAN-CVE-2021-45263

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Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/gpac/gpac/issues/1975 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-416 Use After Free

References

github.com /gpac/gpac/issues/1975
exploit, issue-tracking, third-party-advisory
debian.org /security/2023/dsa-5411
vendor-advisory

Sources

CVE List CVE-2021-45263
NVD CVE-2021-45263

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