CVE-2021-36978

QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
qpdf_projectqpdf
9.0.0 ≤
𝑥
≤ 9.1.1
qpdf_projectqpdf
10.0.0 ≤
𝑥
≤ 10.0.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qpdf
bullseye
10.1.0-1
fixed
stretch
no-dsa
bookworm
11.3.0-1+deb12u1
fixed
sid
11.9.1-1
fixed
trixie
11.9.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qpdf
jammy
not-affected
impish
not-affected
hirsute
not-affected
focal
Fixed 9.1.1-1ubuntu0.1
released
bionic
Fixed 8.0.2-3ubuntu0.1
released
xenial
Fixed 8.0.2-3~16.04.1+esm1
released
trusty
dne
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28262
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qpdf/OSV-2020-2245.yaml
https://github.com/qpdf/qpdf/commit/dc92574c10f3e2516ec6445b88c5d584f40df4e5
https://github.com/qpdf/qpdf/issues/492
https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html
https://security.gentoo.org/glsa/202401-20
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28262
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qpdf/OSV-2020-2245.yaml
https://github.com/qpdf/qpdf/commit/dc92574c10f3e2516ec6445b88c5d584f40df4e5
https://github.com/qpdf/qpdf/issues/492
https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html
https://security.gentoo.org/glsa/202401-20